Moved circular gradient calculations to gradients.gd. This time the logic had to be changed extensively and the new logic still has bugs. It will be fixed later.

This commit is contained in:
Relintai 2021-10-03 13:41:31 +02:00
parent b3604ffebc
commit 0fc71e0f2c
2 changed files with 118 additions and 6 deletions

View File

@ -0,0 +1,87 @@
extends Reference
const Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
#note: data : PoolRealArray -> pos, r, g, b, a, pos, r, g, b, a ....
static func circular_gradient_type_1(uv : Vector2, repeat : float, data : PoolRealArray) -> Color:
return gradient_type_1(Commons.fractf(repeat * 0.15915494309 * atan((uv.x - 0.5) / uv.y - 0.5)), data)
static func circular_gradient_type_2(uv : Vector2, repeat : float, data : PoolRealArray) -> Color:
return gradient_type_2(Commons.fractf(repeat * 0.15915494309 * atan((uv.x - 0.5) / uv.y - 0.5)), data)
static func circular_gradient_type_3(uv : Vector2, repeat : float, data : PoolRealArray) -> Color:
return gradient_type_3(Commons.fractf(repeat * 0.15915494309 * atan((uv.x - 0.5) / uv.y - 0.5)), data)
static func circular_gradient_type_4(uv : Vector2, repeat : float, data : PoolRealArray) -> Color:
return gradient_type_4(Commons.fractf(repeat * 0.15915494309 * atan((uv.x - 0.5) / uv.y - 0.5)), data)
static func gradient_type_1(x : float, data : PoolRealArray) -> Color:
if data.size() % 5 != 0 || data.size() == 0:
return Color()
for i in range(0, data.size() - 5, 5):
if x < 0.5 * (data[i] + data[i + 5]):
return Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
var ds = data.size() - 5
return Color(data[ds + 1], data[ds + 2], data[ds + 3], data[ds + 4])
static func gradient_type_2(x : float, data : PoolRealArray) -> Color:
if data.size() % 5 != 0 || data.size() == 0:
return Color()
for i in range(0, data.size() - 5, 5):
if x < data[i]:
if i == 0:
return Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
var cprev : Color = Color(data[i - 4], data[i - 3], data[i - 2], data[i - 1])
var ccurr : Color = Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
return lerp(cprev, ccurr, (x - data[i - 5]) / (data[i] - data[i - 5]));
var ds = data.size() - 5
return Color(data[ds + 1], data[ds + 2], data[ds + 3], data[ds + 4])
static func gradient_type_3(x : float, data : PoolRealArray) -> Color:
if data.size() % 5 != 0 || data.size() == 0:
return Color()
for i in range(0, data.size() - 5, 5):
if x < data[i]:
if i == 0:
return Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
var cprev : Color = Color(data[i - 4], data[i - 3], data[i - 2], data[i - 1])
var ccurr : Color = Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
return lerp(cprev, ccurr, 0.5 - 0.5 * cos(3.14159265359 * ((x - data[i - 5]) / (data[i] - data[i - 5]))))
var ds = data.size() - 5
return Color(data[ds + 1], data[ds + 2], data[ds + 3], data[ds + 4])
#todo, logic is not yet finished
static func gradient_type_4(x : float, data : PoolRealArray) -> Color:
if data.size() % 5 != 0 || data.size() == 0:
return Color()
for i in range(0, data.size() - 5, 5):
if x < data[i]:
if i == 0:
return Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
var cprev : Color = Color(data[i - 4], data[i - 3], data[i - 2], data[i - 1])
var ccurr : Color = Color(data[i + 1], data[i + 2], data[i + 3], data[i + 4])
return lerp(cprev, ccurr, 0.5 - 0.5 * cos(3.14159265359 * ((x - data[i - 5]) / (data[i] - data[i - 5]))))
var ds = data.size() - 5
return Color(data[ds + 1], data[ds + 2], data[ds + 3], data[ds + 4])
# if (x < gradient_0_pos):
# return Color(gradient_0_r,gradient_0_g,gradient_0_b,gradient_0_a);
# elif (x < gradient_1_pos):
# return lerp(lerp(Color(gradient_1_r,gradient_1_g,gradient_1_b,gradient_1_a), Color(gradient_2_r,gradient_2_g,gradient_2_b,gradient_2_a), (x-gradient_1_pos)/(gradient_2_pos-gradient_1_pos)), lerp(Color(gradient_0_r,gradient_0_g,gradient_0_b,gradient_0_a), Color(gradient_1_r,gradient_1_g,gradient_1_b,gradient_1_a), (x-gradient_0_pos)/(gradient_1_pos-gradient_0_pos)), 1.0-0.5*(x-gradient_0_pos)/(gradient_1_pos-gradient_0_pos));
# elif (x < gradient_2_pos):
# return lerp(lerp(Color(gradient_0_r,gradient_0_g,gradient_0_b,gradient_0_a), Color(gradient_1_r,gradient_1_g,gradient_1_b,gradient_1_a), (x-gradient_0_pos)/(gradient_1_pos-gradient_0_pos)), lerp(Color(gradient_1_r,gradient_1_g,gradient_1_b,gradient_1_a), Color(gradient_2_r,gradient_2_g,gradient_2_b,gradient_2_a), (x-gradient_1_pos)/(gradient_2_pos-gradient_1_pos)), 0.5+0.5*(x-gradient_1_pos)/(gradient_2_pos-gradient_1_pos));
#
# return Color(gradient_2_r,gradient_2_g,gradient_2_b,gradient_2_a);

View File

@ -1,6 +1,7 @@
tool
extends TextureRect
var Gradients = preload("res://addons/mat_maker_gd/nodes/common/gradients.gd")
var Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
var image : Image
@ -48,6 +49,27 @@ func gen() -> void:
# var bmin : Vector2 = Vector2(0.1, 0.1)
# var bmax : Vector2 = Vector2(1, 1)
var data : PoolRealArray = PoolRealArray()
data.resize(15)
var i : int = 0
data[i + 0] = p_o95415_gradient_0_pos
data[i + 1] = p_o95415_gradient_0_r
data[i + 2] = p_o95415_gradient_0_g
data[i + 3] = p_o95415_gradient_0_b
data[i + 4] = p_o95415_gradient_0_a
i += 5
data[i + 0] = p_o95415_gradient_1_pos
data[i + 1] = p_o95415_gradient_1_r
data[i + 2] = p_o95415_gradient_1_g
data[i + 3] = p_o95415_gradient_1_b
data[i + 4] = p_o95415_gradient_1_a
i += 5
data[i + 0] = p_o95415_gradient_2_pos
data[i + 1] = p_o95415_gradient_2_r
data[i + 2] = p_o95415_gradient_2_g
data[i + 3] = p_o95415_gradient_2_b
data[i + 4] = p_o95415_gradient_2_a
image.lock()
var w : float = image.get_width()
@ -57,15 +79,16 @@ func gen() -> void:
for x in range(image.get_width()):
for y in range(image.get_height()):
var v : Vector2 = Vector2(x / w, y / h)
var uv : Vector2 = Vector2(x / w, y / h)
#branchless fix for division by zero
v.y += 0.000001
uv.y += 0.000001
# var col : Color = gradient_type_1(fractf(p_o95415_repeat * 0.15915494309 * atan((v.x - 0.5) / (v.y - 0.5))));
# var col : Color = gradient_type_2(fractf(p_o95415_repeat * 0.15915494309 * atan((v.x - 0.5) / (v.y - 0.5))));
# var col : Color = gradient_type_3(fractf(p_o95415_repeat * 0.15915494309 * atan((v.x - 0.5) / (v.y - 0.5))));
var col : Color = gradient_type_4(Commons.fractf(p_o95415_repeat * 0.15915494309 * atan((v.x - 0.5) / v.y - 0.5)));
# var col : Color = gradient_type_1(Commons.fractf(p_o95415_repeat * 0.15915494309 * atan((uv.x - 0.5) / (uv.y - 0.5))));
# var col : Color = gradient_type_2(Commons.fractf(p_o95415_repeat * 0.15915494309 * atan((uv.x - 0.5) / (uv.y - 0.5))));
# var col : Color = gradient_type_3(Commons.fractf(p_o95415_repeat * 0.15915494309 * atan((uv.x - 0.5) / (uv.y - 0.5))));
# var col : Color = gradient_type_4(Commons.fractf(p_o95415_repeat * 0.15915494309 * atan((uv.x - 0.5) / uv.y - 0.5)));
var col : Color = Gradients.circular_gradient_type_1(uv, p_o95415_repeat, data);
image.set_pixel(x, y, col)
@ -74,6 +97,7 @@ func gen() -> void:
tex.create_from_image(image)
texture = tex
func gradient_type_1(x : float) -> Color:
if (x < 0.5*(p_o95415_gradient_0_pos+p_o95415_gradient_1_pos)):
return Color(p_o95415_gradient_0_r,p_o95415_gradient_0_g,p_o95415_gradient_0_b,p_o95415_gradient_0_a);
@ -113,6 +137,7 @@ func gradient_type_4(x : float) -> Color:
return Color(p_o95415_gradient_2_r,p_o95415_gradient_2_g,p_o95415_gradient_2_b,p_o95415_gradient_2_a);
func reffg():
return false